[Intel-gfx] [PATCH] drm/edid: Fix DDC probe for passive DP dongles

[shuang.he at intel.com]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 6446
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  234/234              234/234
ILK                                  262/262              262/262
SNB                 -1              282/282              281/282
IVB                                  300/300              300/300
BYT                                  254/254              254/254
BDW                                  275/275              275/275
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
 SNB  igt at pm_rpm@dpms-mode-unset-non-lpsp      DMESG_WARN(18)PASS(1)      DMESG_WARN(1)
(dmesg patch applied)WARNING:at_drivers/gpu/drm/i915/intel_uncore.c:#assert_device_not_suspended[i915]()@WARNING:.* at .* assert_device_not_suspended+0x
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